145 citations · 390 across the 11 of their papers we have counts for
11 papers
Evidence for Two-dimensional Weyl Fermions in Air-Stable Monolayer PtTe
Zhihao Cai, Haijun Cao, Haohao Sheng +14
The Weyl semimetals represent a distinct category of topological materials wherein the low-energy excitations appear as the long-sought Weyl fermions. Exotic transport and optical…
Evidence for Multiferroicity in Single-Layer CuCrSe
Zhenyu Sun, Yueqi Su, Aomiao Zhi +13
Multiferroic materials, which simultaneously exhibit ferroelectricity and magnetism, have attracted substantial attention due to their fascinating physical properties and potential…
Layer-dependent Raman spectroscopy of ultrathin TaPdTe
Zhenyu Sun, Zhaopeng Guo, Dayu Yan +7
Two-dimensional topological insulators (2DTIs) or quantum spin Hall insulators are attracting increasing attention due to their potential applications in next-generation spintronic…
Bound excitons and bandgap engineering in violet phosphorus
Zhenyu Sun, Zhihao Cai, Peng Cheng +5
Violet phosphorus (VP), the most stable phosphorus allotrope, is a van der Waals semiconductor that can be used to construct -type nanodevices. Recently, high-quality V…
Realization of a two-dimensional checkerboard lattice in monolayer CuN
Xuegao Hu, Run-Wu Zhang, Da-Shuai Ma +10
Two-dimensional checkerboard lattice, the simplest line-graph lattice, has been intensively studied as a toy model, while material design and synthesis remain elusive. Here, we rep…
Observation of Gapped Dirac Cones in a Two-Dimensional Su-Schrieffer-Heeger Lattice
Daiyu Geng, Hui Zhou, Shaosheng Yue +6
The Su-Schrieffer-Heeger (SSH) model in a two-dimensional rectangular lattice features gapless or gapped Dirac cones with topological edge states along specific peripheries. While…
Exfoliation of 2D van der Waals crystals in ultrahigh vacuum for interface engineering
Zhenyu Sun, Xu Han, Zhihao Cai +11
Two-dimensional (2D) materials and their heterostructures have been intensively studied in recent years due to their potential applications in electronic, optoelectronic, and spint…
Observation of topological flat bands in the kagome semiconductor NbCl
Zhenyu Sun, Hui Zhou, Cuixiang Wang +12
The destructive interference of wavefunctions in a kagome lattice can give rise to topological flat bands (TFBs) with a highly degenerate state of electrons. Recently, TFBs have be…
Observation of one-dimensional Dirac fermions in silicon nanoribbons
Shaosheng Yue, Hui Zhou, Ya Feng +12
Dirac materials, which feature Dirac cones in the reciprocal space, have been one of the hottest topics in condensed matter physics in the past decade. To date, 2D and 3D Dirac Fer…
Observation of quantum spin Hall states in TaPdTe
Xuguang Wang, Daiyu Geng, Dayu Yan +14
Two-dimensional topological insulators (2DTIs), which host the quantum spin Hall (QSH) effect, are one of the key materials in next-generation spintronic devices. To date, experime…
Experimental observation of Dirac cones in artificial graphene lattices
Shaosheng Yue, Hui Zhou, Daiyu Geng +8
Artificial lattices provide a tunable platform to realize exotic quantum devices. A well-known example is artificial graphene (AG), in which electrons are confined in honeycomb lat…